Author: kib
Date: Wed Oct 24 19:40:09 2018
New Revision: 339694
URL: https://svnweb.freebsd.org/changeset/base/339694
Log:
Correct condition to detect mount(2) support by a filesystem.
Reported and tested by: cy
Sponsored by: The FreeBSD Foundation
Approved by: re (rgrimes)
Modified:
head/sys/kern/vfs_mount.c
Modified: head/sys/kern/vfs_mount.c
==============================================================================
--- head/sys/kern/vfs_mount.c Wed Oct 24 19:21:04 2018 (r339693)
+++ head/sys/kern/vfs_mount.c Wed Oct 24 19:40:09 2018 (r339694)
@@ -808,8 +808,10 @@ sys_mount(struct thread *td, struct mount_args *uap)
free(fstype, M_TEMP);
if (vfsp == NULL)
return (ENOENT);
- if (vfsp->vfc_vfsops->vfs_cmount == NULL || ((vfsp->vfc_flags &
- VFCF_SBDRY) != 0 && (vfsp->vfc_vfsops_sd->vfs_cmount == NULL)))
+ if (((vfsp->vfc_flags & VFCF_SBDRY) != 0 &&
+ vfsp->vfc_vfsops_sd->vfs_cmount == NULL) ||
+ ((vfsp->vfc_flags & VFCF_SBDRY) == 0 &&
+ vfsp->vfc_vfsops->vfs_cmount == NULL))
return (EOPNOTSUPP);
ma = mount_argsu(ma, "fstype", uap->type, MFSNAMELEN);
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